Question

Devaughn's age is two times Sydney's age. The sum of their ages is . What is Sydney's age?

Answer 1

let d= devaughn's age
s = sydney's age

the sum of their ages is what..?? o.O

Answer 2

am i suppose to divde?

Answer 3

you need to set it up as:

d=devaughn's age
s=sydney's age

you have 2 unknowns but you also have 2 equations:

d+s= whatever
d=2s

by substituting you get 3s=whatever, so you can solve for sydney's age, then use it to get devaughn's age

Answer 4

well you can just stop at sydney's age haha

Answer 5

or that

Answer 6

With d=3s..... won't it be d=3(66)?

Answer 7

hmmm..why dont you tell us what the sum of their ages is first..before you ask us to verify your answers..good idea? :D

Answer 8

you never told us their combined age, we can't check it

Answer 9

though seeing the equation right now...i dont think devaughn should be around 180 yrs old...

Answer 10

"Devaughn's age (d) is two times Sydney's age (s). The sum of their ages is T. What is Sydney's age? "

So from the first sentence, d =2s.
From the second sentence, d + s = T.

Now solve for s. Substitute the first equation into the second, yeilding 2s + s = T. Solve for s.